Two vintage pamphlets... One is "Hydraulic Method Of Fitting Marine Propellers", it states on the cover that it was reprinted from International Shipbuilding Progress (Monthly) Vol. 17, No. 193, September 1970. Size is 8.2 x 11.7 inches, 24 pages, very good, light age toning.
The other is "The Effect Of Steering Manoeuvres On The Propeller Blade Stresses", it also states that it is from International Shipbuilding Progress, on the inside cover. Size is 8.2 x 11.7 inches, 14 pages, very good, light age toning, tiny edge tears, a small area of roughness on the back cover.
Both of these are by Dr. -Ing, K. J. Meyne (from Theodor Zeise).